LOUISVILLE, Ky. (WDRB) -- Kentucky's attorney general's office may end up investigating one of its own. 

A state auditor and investigator in Attorney General Andy Beshear's office was arrested after allegedly smoking marijuana in a McDonald's drive-thru Tuesday.

Frankfort Police pulled Elizabeth Anna Justus over for failing to use a turn signal. The officer then allegedly smelled weed and found a what was left of a joint in the 51-year-old's vehicle.

Copyright 2018 WDRB Media. All rights reserved.